2026 Life Time Leadville Trail 100 Run presented by La Sportiva

Leadville hosts one of the world's most iconic races, a challenging trail run recognized globally for its demanding nature. This event stands as a true test of endurance, drawing athletes to its unique mountain environment. Entry to this run is highly competitive, often requiring qualification through a lottery system, signaling its status among the most serious ultra-running pursuits. Participants face a grueling test against themselves and the challenging course inherent to the Leadville trails.